Extech Instruments EA25 User Manual page 6

Datalogging Start-Time (St) Setting
1. The Datalogging start-time screen displays
"St1" and two flashing digits (for the hour).
2. Press " " or " " to set the hour of the day
that datalogging will begin.
3. Press "" to move to the two flashing digits
representing minutes.
4. Press " " or " " to set the desired minute
that datalogging will begin.
5. Press "" to move to the two flashing digits representing the seconds.
6. Press " " or " " to set the desired second that datalogging will begin.
7. Press "  " (enter key) to store the datalogging start-time and move to the next screen.
Datalogging Stop-Time (SP) Setting
1. The Datalogging stop-time setting screen shows
"SP1" and the two flashing numbers (for the hour).
2. Press " " or " " to set to the desired hour of
the day that datalogging will end.
3. Press "" to move to the two flashing digits
representing minutes.
4. Press " " or " " to set the desired minute that
datalogging will end.
5. Press "" to move to the two flashing digits representing seconds.
6. Press " " or " " to set the desired second that datalogging will end.
7. Press "  " (enter key) to store the datalogging stop-time and move to the next screen.
Datalogging Sampling Interval Setting
1. "INTV" (interval) appears along with the current
interval selection (in seconds).
2. Use the " " or " " buttons to change the
number of seconds (3 to 255). For example, with
003 selected a reading will be automatically recorded every three seconds.
3. Press "  " (enter key) to store the sampling interval rate and begin datalogging.
Datalogging Mode
1. In datalogging mode, the LCD will continue to display the "" (logging icon). The LCD will also
flash the "M" icon each time a reading is logged. The meter will shut off when the Stop time is
reached.
2. Use the " " button to display the Start-Time and the " " button to display the Stop-Time.
3. Press "" (enter) to stop datalogging and exit the datalogging mode ("" will disappear).
Note: Readings automatically logged can only be viewed by downloading them to a PC.
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EA25 v3.1 8/13